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Cheap flights from Houston to New York from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to New York departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:17 pm - 2:39 pmIAH-ISP
17h 22m1 stop
Frontier Logo
3:34 pm - 7:54 amISP-IAH
17h 20m1 stop
$124Frontier
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Thu, Jan 8 - Sun, Jan 11
Frontier Logo
8:17 pm - 10:40 amIAH-ISP
13h 23m1 stop
Frontier Logo
5:10 pm - 7:40 amISP-IAH
15h 30m1 stop
$134Frontier
Find Deal
Thu, Jan 29 - Sun, Feb 8
Multiple Airlines Logo
8:35 pm - 9:13 amIAH-ISP
11h 38m1 stop
Multiple Airlines Logo
6:00 am - 6:29 pmISP-IAH
13h 29m1 stop
$137Multiple Airlines
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Wed, Dec 3 - Wed, Dec 10
Frontier Logo
5:56 pm - 8:02 amIAH-ISP
13h 06m1 stop
Frontier Logo
9:02 am - 9:43 amISP-IAH
25h 41m1 stop
$141Frontier
Find Deal
Fri, Nov 21 - Mon, Nov 24
Frontier Logo
5:56 pm - 8:02 amIAH-ISP
13h 06m1 stop
Frontier Logo
11:03 am - 5:19 pmISP-IAH
7h 16m1 stop
$144Frontier
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Fri, Nov 21 - Sun, Nov 23
Frontier Logo
10:28 am - 5:42 pmIAH-ISP
6h 14m1 stop
Frontier Logo
8:47 am - 2:45 pmISP-IAH
6h 58m1 stop
$145Frontier
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Tue, Nov 18 - Sat, Nov 22
Southwest Logo
6:00 am - 12:15 pmHOU-ISP
5h 15m1 stop
Southwest Logo
3:55 pm - 8:35 pmISP-HOU
5h 40m1 stop
$267Southwest
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Wed, Dec 3 - Wed, Dec 10
Southwest Logo
3:45 pm - 10:05 pmHOU-ISP
5h 20m1 stop
Southwest Logo
5:40 am - 12:35 pmISP-HOU
7h 55m2 stops
$272Southwest
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Wed, Dec 3 - Wed, Dec 10
Southwest Logo
1:25 pm - 10:05 pmHOU-ISP
7h 40m2 stops
Southwest Logo
5:40 am - 12:35 pmISP-HOU
7h 55m2 stops
$277Southwest
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Wed, Dec 3 - Wed, Dec 10
Southwest Logo
1:40 pm - 10:05 pmHOU-ISP
7h 25m2 stops
Southwest Logo
5:30 pm - 11:20 pmISP-HOU
6h 50m1 stop
$309Southwest
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Thu, Dec 4 - Sun, Dec 7

Frontier flights from Houston to Islip, New York

Our best Frontier deals on Houston to Islip, New York flight tickets
Frontier
Jan 8
IAH8:17 pmHouston George Bush Intcntl
17h 22m
1 stop
ISP2:39 pmIslip Long Island
Jan 11
ISP3:34 pmIslip Long Island
17h 20m
1 stop
IAH7:54 amHouston George Bush Intcntl
$124
Find similar
Frontier
Jan 29
IAH8:17 pmHouston George Bush Intcntl
13h 23m
1 stop
ISP10:40 amIslip Long Island
Feb 8
ISP5:10 pmIslip Long Island
15h 30m
1 stop
IAH7:40 amHouston George Bush Intcntl
$134
Find similar
Frontier
Nov 21
IAH5:56 pmHouston George Bush Intcntl
13h 06m
1 stop
ISP8:02 amIslip Long Island
Nov 24
ISP9:02 amIslip Long Island
25h 41m
1 stop
IAH9:43 amHouston George Bush Intcntl
$141
Find similar

Southwest flights from Houston to Islip, New York

Our best Southwest deals on Houston to Islip, New York flight tickets
Southwest
Dec 3
HOU6:00 amHouston Hobby
5h 15m
1 stop
ISP12:15 pmIslip Long Island
Dec 10
ISP3:55 pmIslip Long Island
5h 40m
1 stop
HOU8:35 pmHouston Hobby
$267
Find similar
Southwest
Dec 3
HOU3:45 pmHouston Hobby
5h 20m
1 stop
ISP10:05 pmIslip Long Island
Dec 10
ISP5:40 amIslip Long Island
7h 55m
2 stops
HOU12:35 pmHouston Hobby
$272
Find similar
Southwest
Dec 3
HOU1:25 pmHouston Hobby
7h 40m
2 stops
ISP10:05 pmIslip Long Island
Dec 10
ISP5:40 amIslip Long Island
7h 55m
2 stops
HOU12:35 pmHouston Hobby
$277
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Houston to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 1/8

8:17 pm-2:39 pm

1 stop17h 22m

Islip Long Island

Sun 1/11

3:34 pm-7:54 am

1 stop17h 20m

$124

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 1/29

8:17 pm-10:40 am

1 stop13h 23m

Islip Long Island

Sun 2/8

5:10 pm-7:40 am

1 stop15h 30m

$134

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 12/3

8:35 pm-9:13 am

1 stop11h 38m

Islip Long Island

Wed 12/10

6:00 am-6:29 pm

1 stop13h 29m

$137

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 11/21

5:56 pm-8:02 am

1 stop13h 06m

Islip Long Island

Mon 11/24

9:02 am-9:43 am

1 stop25h 41m

$141

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 11/21

5:56 pm-8:02 am

1 stop13h 06m

Islip Long Island

Sun 11/23

11:03 am-5:19 pm

1 stop7h 16m

$144

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 11/18

10:28 am-5:42 pm

1 stop6h 14m

Islip Long Island

Sat 11/22

8:47 am-2:45 pm

1 stop6h 58m

$145

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 12/3

6:00 am-12:15 pm

1 stop5h 15m

Islip Long Island

Wed 12/10

3:55 pm-8:35 pm

1 stop5h 40m

$267

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 12/3

3:45 pm-10:05 pm

1 stop5h 20m

Islip Long Island

Wed 12/10

5:40 am-12:35 pm

2 stops7h 55m

$272

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 12/3

1:25 pm-10:05 pm

2 stops7h 40m

Islip Long Island

Wed 12/10

5:40 am-12:35 pm

2 stops7h 55m

$277

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Thu 12/4

1:40 pm-10:05 pm

2 stops7h 25m

Islip Long Island

Sun 12/7

5:30 pm-11:20 pm

1 stop6h 50m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Houston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Houston to Islip, New York is on a Thursday. Travelers who choose to depart for Islip, New York on a Thursday will often find tickets for as low as $375. The most expensive day to fly to Islip, New York is Tuesday, with ticket prices averaging around $601.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Houston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $370 when looking at flights departing in the morning. Flights to Islip, New York are more costly in the afternoon, with an average ticket price of $396. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Houston to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Islip, New York

Direct flights

None
There are no direct flights from Houston to Islip, New York. There are no popular flight routes from Houston to Islip, New York.
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  • How far is Houston to Islip Long Island by plane?

    Islip Long Island is 1454.8 mi away from Houston. In terms of flight time, this usually takes a little over 4h 55m.

  • When did momondo last update prices for flights from Houston to Islip Long Island Airport?

    Prices for flights from Houston to Islip Long Island Airport refresh daily.

  • How many operators does momondo search for flights from Houston to Islip Long Island Airport?

  • How old do you have to be to fly from Houston to Islip Long Island Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Islip, New York

Compare and see reviews for airlines that fly from Houston to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $336Free CancellationRating
8.0
4,240 reviews
Search Southwest flights

Traveling to a place near New York?

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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islip?

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Houston to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Houston with this policy.

How can momondo help me find flights from Houston to Islip?

momondo helps you find the best flight between Houston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Islip, New York trip

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